foreign leaders under surveillance the latest leaks from the n.s.a. whistleblower reveal how delegates of the g twenty summit in london four years ago a former russian president among them were targeted by u.s. and british intelligence. feared to add some tension to the g eight summit convening in britain against a backdrop of austerity protests. but it's syria that is set to take center stage for world leaders at the g eight in northern ireland looking to narrow their differences amid fears the conflict. even further.